Wildcard SSL certificates work the same way as a regular SSL Certificate, allowing you to secure the connection between your website and your customer’s Internet browser – with one major advantage.
A wildcard certificate is a public key certificate which can be used with multiple sub-domains of a domain.If you have multiple sub-domains to secure then a Wildcard SSL Certificate purchase can save you hundreds or thousands vs the cost of buying individual SSL certificates.
For example a single Wildcard SSL certificate for *.yourdomain.com can be used to secure:
List Of WildCard SSL Certificates
|Secure Site Wildcard||1-2 Days||Dynamic|
|RapidSSL Wildcard Certificates||Immediate||Static|
|GeoTrust True BusinessID Wildcard SSL||1-2 Days||Dynamic|
|Thawte Wildcard SSL Certificate||4-10 Days||N/A|
|Comodo Premium Wildcard||1 Week||Dynamic|
|Comodo SGC Wildcard||1 Week||Dynamic|
|Comodo Wildcard SSL||Within 1 hour||Dynamic|